Phosphonous Acid

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Properties Simple | Detailed

Formula H3O2P
IUPAC Name phosphonous acid
Molecular Mass 65.996 g·mol−1
Heat of Formation -516.8 ± 16.7 kJ·mol−1
Dipole Moment 1.49 ± 1.08 D
Volume 68.16 Å 3
Surface Area 86.68 Å 2
HOMO Energy -9.85 ± 0.55 eV
LUMO Energy -1.31 ± eV
Point Group Symmetry Cs
Synonyms
  • [ph(oh)2]
  • h2pho2
  • hydridodihydroxidophosphorus
CAS Number(s)
  • 14332-09-3
InChIKey XRBCRPZXSCBRTK-UHFFFAOYSA-N
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